先贴出问题的代码: 1#include<QCoreApplication>2classMyObject:publicQObject3{4public:5MyObject(QObject*parent =0):6QObject(parent)7{8}9private:10intm_id;11};12intmain(intargc,char*argv[])13{14QCoreApplication a(argc, argv);15QList<MyObject>list;16list<<MyObject(0);17returna.exec(...
QObject的拷贝构造函数是私有的,当把其子类放入容器时无法完成构造其副本。 如下代码便会报错: Mydata data("item1","red"); QList<QObject>datalist; datalist.append(data); 解决,以指针形式存储: QList<QObject*>datalist; datalist.append(newMydata("item1","red")); datalist.append(newMydata("...
paip. 'QObject::QObject(const QObject&)' is private问题的解决. 作者Attilax , 详细: AI检测代码解析 / D:\Qt\Qt5.1.1\5.1.1\mingw48_32\include\QtCore\qobject.h:426: error: 'QObject::QObject(const QObject&)' is private Q_DISABLE_COPY(QObject) QObject QObject(const QObject&) is ...
1 原因在于QZXing这个类是继承了QObject类的,而QObject不允许通过"="操作符进行对象复制。
Q_OBJECT public: MyClass(QObject *parent) : QObject(parent), d_ptr(new MyClassPrivate(this)) { connect(foo, SIGNAL(bar()), this, SLOT(_q_mySlot())); }; private: Q_DECLARE_PRIVATE(MyClass); Q_PRIVATE_SLOT(d_func(), void _q_mySlot()); ...
Q_OBJECT public: MyClass(QObject *parent) : QObject(parent), d_ptr(new MyClassPrivate(this)) { connect(foo, SIGNAL(bar()), this, SLOT(_q_mySlot())); }; private: Q_DECLARE_PRIVATE(MyClass); Q_PRIVATE_SLOT(d_func(), void _q_mySlot()); ...
qt5.6.1所做的工程在运行时出现该问题:该问题说的是信号槽中 函数的参数不匹配。 在qt4.8.4 中QThread 中查到assitant中定义void QThread::finished ();qhtread.h中 void finished();。 在qt5.6.1中的assistant中查到void QThread::finished ()。但在qhread.h中 确定义void finished(QPrivateSignal);...
QObject的拷贝构造函数是私有的,当把其子类放入容器时无法完成构造其副本。 如下代码便会报错: Mydata data("item1","red"); QList<QObject>datalist; datalist.append(data); 解决,以指针形式存储: QList<QObject*>datalist; datalist.append(newMydata("item1","red")); ...
Q_OBJECT public: MyClass(QObject *parent) : QObject(parent), d_ptr(new MyClassPrivate(this)) { connect(foo, SIGNAL(bar()), this, SLOT(_q_mySlot())); }; private: Q_DECLARE_PRIVATE(MyClass); Q_PRIVATE_SLOT(d_func(), void _q_mySlot()); ...